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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBID_IDENTITY_UI_UTILS_H_
#define CHROME_BROWSER_UI_WEBID_IDENTITY_UI_UTILS_H_
#include <optional>
#include "build/build_config.h"
#include "build/buildflag.h"
#include "ui/gfx/image/canvas_image_source.h"
#include "ui/gfx/image/image_skia.h"
namespace content {
class IdentityRequestAccount;
} // namespace content
using IdentityRequestAccountPtr =
scoped_refptr<content::IdentityRequestAccount>;
// This file contains helper methods that are used in FedCM UI on both desktop
// and Android.
namespace webid {
#if BUILDFLAG(IS_ANDROID)
// The desired size of the avatars of user accounts.
inline constexpr int kDesiredAvatarSize = 40;
#else
// The desired size of the avatars of user accounts.
inline constexpr int kDesiredAvatarSize = 30;
#endif // BUILDFLAG(IS_ANDROID)
// The desired size of the avatars of user accounts in autofill dropdown.
inline constexpr int kDesiredAvatarSizeInAutofillDropdown = 20;
// The size of avatars in the modal dialog.
inline constexpr int kModalAvatarSize = 36;
// Size of the IDP icon offset when badging the IDP icon in the account button.
inline constexpr int kIdpBadgeOffset = 8;
// safe_zone_diameter/icon_size as defined in
// https://www.w3.org/TR/appmanifest/#icon-masks
inline constexpr float kMaskableWebIconSafeZoneRatio = 0.8f;
// The opacity of the avatar when the account is filtered out.
inline constexpr double kDisabledAvatarOpacity = 0.38;
// This enum is used for histograms. Do not remove or modify existing values,
// but you may add new values at the end and increase COUNT. This enum should
// be kept in sync with FedCmSheetType in tools/metrics/histograms/enums.xml.
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ui.android.webid
enum SheetType {
ACCOUNT_SELECTION = 0,
VERIFYING = 1,
AUTO_REAUTHN = 2,
SIGN_IN_TO_IDP_STATIC = 3,
SIGN_IN_ERROR = 4,
LOADING = 5,
COUNT = 6
};
// This enum describes the outcome of the account chooser and is used for
// histograms. Do not remove or modify existing values, but you may add new
// values at the end. This enum should be kept in sync with
// FedCmAccountChooserResult in tools/metrics/histograms/enums.xml.
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ui.android.webid
enum class AccountChooserResult {
kAccountRow = 0,
kCancelButton = 1,
kUseOtherAccountButton = 2,
kTabClosed = 3,
// Android-specific
kSwipe = 4,
// Android-specific
kBackPress = 5,
// Android-specific
kTapScrim = 6,
kMaxValue = kTapScrim
};
// This enum describes the outcome of the loading dialog and is used for
// histograms. Do not remove or modify existing values, but you may add new
// values at the end. This enum should be kept in sync with
// FedCmLoadingDialogResult in tools/metrics/histograms/enums.xml.
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ui.android.webid
enum class LoadingDialogResult {
kProceed = 0,
kCancel = 1,
kProceedThroughPopup = 2,
kDestroy = 3,
// Android-specific
kSwipe = 4,
// Android-specific
kBackPress = 5,
// Android-specific
kTapScrim = 6,
kMaxValue = kTapScrim
};
// This enum describes the outcome of the disclosure dialog and is used for
// histograms. Do not remove or modify existing values, but you may add new
// values at the end. This enum should be kept in sync with
// FedCmDisclosureDialogResult in tools/metrics/histograms/enums.xml.
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ui.android.webid
enum class DisclosureDialogResult {
kContinue = 0,
kCancel = 1,
kBack = 2,
kDestroy = 3,
// Android-specific
kSwipe = 4,
// Android-specific
kBackPress = 5,
// Android-specific
kTapScrim = 6,
kMaxValue = kTapScrim
};
// Extracts the initial letter from the provided string.
std::u16string GetInitialLetterAsUppercase(const std::string& utf8_string);
// Creates a circle cropped image of the given size from the original image.
gfx::ImageSkia CreateCircleCroppedImage(const gfx::ImageSkia& original_image,
int image_size);
// Computes the circle cropped picture from the given account and of the given
// size. If `idp_image` is not std::nullopt, the image is circle cropped and
// badged into the account picture as well. `device_scale_factor` is the device
// scale factor, so that the image returned is of the correct resolution.
gfx::ImageSkia ComputeAccountCircleCroppedPicture(
const content::IdentityRequestAccount& account,
int avatar_size,
std::optional<gfx::ImageSkia> idp_image,
float device_scale_factor);
// A CanvasImageSource that draws a letter in a circle.
class LetterCircleCroppedImageSkiaSource : public gfx::CanvasImageSource {
public:
LetterCircleCroppedImageSkiaSource(const std::u16string& letter, int size);
LetterCircleCroppedImageSkiaSource(
const LetterCircleCroppedImageSkiaSource&) = delete;
LetterCircleCroppedImageSkiaSource& operator=(
const LetterCircleCroppedImageSkiaSource&) = delete;
~LetterCircleCroppedImageSkiaSource() override = default;
void Draw(gfx::Canvas* canvas) override;
private:
const std::u16string letter_;
};
// A CanvasImageSource that:
// 1) Applies an optional square center-crop.
// 2) Resizes the cropped image (while maintaining the image's aspect ratio) to
// fit into the target canvas. If no center-crop was applied and the source
// image is rectangular, the image is resized so that
// `avatar` small edge size == `canvas_edge_size`.
// 3) Circle center-crops the resized image.
class CircleCroppedImageSkiaSource : public gfx::CanvasImageSource {
public:
CircleCroppedImageSkiaSource(
gfx::ImageSkia avatar,
const std::optional<int>& pre_resize_avatar_crop_size,
int canvas_edge_size);
CircleCroppedImageSkiaSource(const CircleCroppedImageSkiaSource&) = delete;
CircleCroppedImageSkiaSource& operator=(const CircleCroppedImageSkiaSource&) =
delete;
~CircleCroppedImageSkiaSource() override = default;
// CanvasImageSource:
void Draw(gfx::Canvas* canvas) override;
private:
gfx::ImageSkia avatar_;
};
} // namespace webid
#endif // CHROME_BROWSER_UI_WEBID_IDENTITY_UI_UTILS_H_
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